Front grille for an automobile



FIG. 1 is a front perspective view of a front grille for an automobile showing my new design;

FIG. 2 is front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof; and,

FIG. 5 is right-side view thereof with the left-side being a mirror image. 

The ornamental design for a front grille for an automobile, as shown and described. 